Description

This item is for the bike that uses the hub diameter less than 36mm. Important: This item doesn’t include battery or charger. Please see above video before you order this item,. The install instruction video：https://youtu.be/2dDEep9pu2UThis is our newest kit for electric common bike, this kit mounts the sprocket on the wheel spokes, so it fits most of bicycle wheel. Motor use freewheel so when wheel rotating, the motor will not rotate, just like a normal bike, this can reduce resistance.